yashsingh1/xdaforums huggingface dataset:
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Please check post #1 and #2!

Changelog 26/03/2014, NEXT 1.3:

Fix boot menu reboot to bootloader option

Insecure adb, fix compatibility issue to Omni and Slim ROM

SE Linux policy update

Workaround fix for write access to the root of ext4 or f2fs formatted SD card

Default ueventd config

Compiled AROMA from source

Compiled static busybox from CM source with patched reboot applet
[Galaxy Tab 3 8.0 Android Development] gkvidhu1979:
Already tested the kernel for both Slim and Omni Roms under dual booting. Perfect boot up. Thanks a lot Ketut and Great Work. You rock, as usual!
[Galaxy Tab 3 8.0 Android Development] ultimo-dragon:
i don't understand this step "ii) Flash blackhawk's NEXT tool, create system.img for CM/CM based ROM and then close it"

after i flash blackhawk's NEXT, i reboot the tab but nothing happen just blank (or maybe bootlop) :crying:

can u write noob friendly tutorial :o :D
[Galaxy Tab 3 8.0 Android Development] gkvidhu1979:
As you complete flashing NEXT tool, you will be presented with options to create "system.img" either 0.50 GB or 1 GB for 2nd ROM, delete existing "system.img" and Exit tool. Choose creation of 0.50 GB "system.img" option and let the tool create the II ROM system.img file for dual booting. After this is completed, please close the tool and reboot. On reboot, select, 2nd recovery just created and install the 2nd ROM.
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
I've done a bit of update:

4. "I want to setup dual booting."

A. There are four situations:-

1) Sammy rom now. Want to use aosp as secondary.

2) Sammy rom now. Want to use aosp as primary.

3) Aosp rom now. Want to use sammy as secondary.

4) Aosp rom now. Want to use sammy as primary.

Prerequisites for any setup is

a) Flash latest blackhawk's NEXT kernel. BIG FAT WARNING: For stock Samsung ROM, NEXT kernel 1.0 or later requires mali-400-r3p2-01rel3-blobs-t31x.zip!

b) Flash latest Extended PhilZ Touch recovery: http://xdaforums.com/showpost.php?p=51364377&postcount=33

c) Atleast 90% battery left.

d) 3 GB free on internal SD.

e) Some spare time

1) Present sammy, setup aosp as secondary:-

i) Reboot into recovery

ii) Select "Run Aroma Dual Boot Tool" in Advaced Menu, create system.img for CM/CM based ROM and then close it

iii) Reboot into secondary recovery (red on screen navigation buttons)

iv) Flash aosp ROM as 2nd ROM

v) Flash blackhawk's NEXT kernel again

2) Present sammy, setup aosp as primary:-

i) Reboot into recovery

ii) Nandroid backup your current sammy ROM

iii) Select "Run Aroma Dual Boot Tool" in Advaced Menu, create system.img for Samsung stock/stock based ROM and then close it

iv) Reboot into secondary recovery (red on screen navigation buttons)

v) Nandroid restore your sammy ROM as 2nd ROM

vi) Flash blackhawk's NEXT kernel again

vii) Reboot into primary recovery

viii) Flash aosp ROM as 1st ROM

ix) Flash blackhawk's NEXT kernel again

3) Present aosp, setup sammy as secondary:-

Same as (1), instead of flashing aosp to second, flash sammy to second.

4) Present aosp, setup sammy as primary:-

Same as (2), instead of flashing aosp to first ROM, flash sammy.

NOTE:

-To dual boot Two Aosp or Two Sammy roms, just follow (1) or (2) (depending on which one of them you want as primary/secondary), just flash Sammy instead of aosp or aosp instead of sammy.
[Galaxy Tab 3 8.0 Android Development] akone2:
I am strict about following steps when flashing. This is what I think the steps should be with some questions. Could someone look it over and answer the questions?

My Sequence: 4/3/14

Prerequisites > Present sammy, setup aosp as secondary:

a) Flash Mali to Stock Rom (mali-400-r3p2-01rel3-blobs-t31x.zip) (First because NEXT kernal 1.3 requires it?)

b) Flash Next Kernal to Stock Rom (blackhawk-next-kernal-1.3-t310.zip)

c) Flash latest Extended PhilZ Touch recovery to Stock Rom (philz_touch_6.25.4-lt01wifi-blackhawk.zip)

d) At least 90% battery left.

e) 3 GB free on internal SD.

f) take a deep breath

THEN >

i) Reboot into recovery (Do not boot to the Stock Rom?)

ii) Select "Run Aroma Dual Boot Tool" in Advaced Menu, create system.img for CM/CM based ROM and then close it

iii) Reboot into secondary recovery (red on screen navigation buttons)

iv) Flash aosp ROM as 2nd ROM

>(Flash Gapps?)

v) Flash blackhawk's NEXT kernel again

Edit: Dual boot was successful and easy. I flashed Next kernal first and then Mali. I flashed all before booting to either ROM. I flashed Gapps before re-flashing Next kernel and it was not installed when I booted to SlimKat. I flashed Gapps again and everything worked. Thanks, excellent work. GTab 3 8.0 WiFi only.

'
[Galaxy Tab 3 8.0 Android Development] metaphz:
Should I be using this kernel instead of the one included with the nightly cm11 builds? I'm on single boot only and have no desire to dual boot.
[Galaxy Tab 3 8.0 Android Development] bdkbaik:
i cant install heimdall driver..because itdid not show samsung usb composite device..but it only show CDC ADapter
[Galaxy Tab 3 8.0 Android Development] ultimo-dragon:
finally i did it success :D

thank u sir [MENTION=4021423]ketut.kumajaya[/MENTION] :good:
[Galaxy Tab 3 8.0 Android Development] tetakpatak:
Dear [MENTION=4021423]ketut.kumajaya[/MENTION]

Just as a very little sign for a greatest respect for all your hard work and spending part of your time with us here instead of only with your beloved ones..... really highly appreciated!

Transaction code 4J007408C3792672G
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Please check post #1 and #2.
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
[MENTION=5051515]tetakpatak[/MENTION] You pressed my Thanks button everywhere :good: A donator like you and [MENTION=3034891]gr8nole[/MENTION] always give me an extra thanks :good: Thank you.
[Galaxy Tab 3 8.0 Android Development] grewal09:
[MENTION=225651]op[/MENTION] I am using your kernal for long time on my t311 I used all roms in dual boot but pac rom is not working please help
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
PAC not supported yet, I'll add it later.
[Galaxy Tab 3 8.0 Android Development] tetakpatak:
Of course :)

You are a true, great developer.

Besides, you are also such a nice person too.

Just write few more posts so I can hit even more thanks, LOL :D

If there wasn't you and [MENTION=5153662]Android-Andi[/MENTION], I would have got rid of my P5110 long ago.

tetakpatalked from Nexus 7
[Galaxy Tab 3 8.0 Android Development] Kyle Chen:
Just making sure to be safe.

So I just installed CWM and rooted using galaxytab3_toolbox. I am running touchwiz 4.2.2. I have a tab 3 8". So now I want to dual boot a kitkat rom and touchwiz, where touchwiz is primary.

so just making sure,

first I flash mali-400-r3p2-01rel3-blobs-t31x.zip

the I flash the latest blackhawk NEXT kernal

then I flash the latest Extended PhilZ touch recovery.

Then I run Run Aroma Dual Boot Tool

Then I install kitkat rom (say liquid smooth)

and then lastly I flash the latest blackhawk NEXT kernal again. Is this correct?
[Galaxy Tab 3 8.0 Android Development] grandgreed:
Can't flash mali400 package, I have this: error status 7, your device "tab8wifi", not T310, T311, T315.

What I do wrong ?
[Galaxy Tab 3 8.0 Android Development] gr8nole:
You have an old recovery, update it first.

Sent from my SCH-I605
[Galaxy Tab 3 8.0 Android Development] grandgreed:
gr8nole, it works now. Big thanks.
[Galaxy Tab 3 8.0 Android Development] ssjkakaroto:
Hi there, has anyone been able to use Foldermount on the secondary rom of a dual boot setup?

On my primary rom (Stock) Foldermount works fine, but on the secondary rom (AOSP) it mounts the folders without errors but they don't get "linked".
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Update coming soon! Correctly merge N7100XXUFND4 http://opensource.samsung.com/reception/receptionSub.do?method=sub&sub=F&searchValue=n7100 to our current kernel longer than expected. In open source world, source code quality sometimes more important than the final product ;)
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Updated source code available at github https://github.com/kumajaya/android_kernel_samsung_smdk4x12/commits/cm-11.0 , flashable zip later.
[Galaxy Tab 3 8.0 Android Development] thegodhimself-sukumar:
Does this work for cm 11 and does it allow bcmon support?. (sm T311)
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
NEXT kernel 1.5! T311 only for now, I will upload T310 and T315 version tommorow.

Changelog:

1. Rebase Samsung OSRC N7100 KitKat ND4 kernel source to our current kernel

2. New WiFi driver, new exFAT filesystem, a lot of updates from Samsung

3. Compatible to our current JB bootloader and upcoming KitKat bootloader (don't ask me when it available). Low power charging bug fixed!

4. Incompatibility issue to CM's hwcomposer fixed!

5. More efficient method of passing vsync to userspace for CM

6. GCC Linaro 4.8-2014.04 toolchain

7. Full changelog https://github.com/kumajaya/android_kernel_samsung_smdk4x12/commits/cm-11.0 . Linaro 4.8 patch still not available on my github, I will push it later.
[Galaxy Tab 3 8.0 Android Development] gkvidhu1979:
Hello Ketut!

Thanks a ton for your relentless pursuit. I dual boot my Tab 311 with stock and CM 11 unofficial. Do I need to wipe both ROMs now to use this kernel or wipe only CM 11 or else just use this kernel instead of blackhawk 1.4? Thanks in advance!
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Not necessary. Flash and reboot.
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
T310 and T315 version ready for download. I just switched to Linaro GCC 4.9.1 without a single change in source level, rebuild for next release :)
[Galaxy Tab 3 8.0 Android Development] bdkbaik:
On version 1.5. Low power mode still occur
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
What did you mean? Charge your device from off state boot your device to Android?
[Galaxy Tab 3 8.0 Android Development] bdkbaik:
When i put charger. Sometimes, It shows fully charge
[Galaxy Tab 3 8.0 Android Development] :
Using latest extended Philz Touch, I can't flash the stock mali400 zip & in the process I'm unable to boot using blackhawk kernel 1.5?

For mali400 zip error says "set_perm: some changes failed"

Tried with TWRP 2.7.1.0 as well, still failed & failed to boot the ROM & re-enters recovery.

EDIT: Well this was strange, none of the latest recoveries other than CWM 6.0.4.8 would flash mali400 zip successfully, anyway the above issue is solved.

Only thing I did different was install busybox but tried TWRP after that & it still wouldn't flash, decided to try CWM & that worked as above.
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
So, my flashable zip not compatible anymore to current recovery. Time for update!
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
No problem here but your feedback accepted since sometimes I also experience strange random problem on this device: front camera video recording H.264 codec on CM sometimes works, sometimes not :confused:
[Galaxy Tab 3 8.0 Android Development] Phil3759:
You probably updated the binary while keeping old updater-script
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
[MENTION=4859884]Gilly10[/MENTION] mali-400 repack attached at post #1.
[Galaxy Tab 3 8.0 Android Development] :
Thanks, just tested it, successfully flashed on TWRP 2.7.1.0
[Galaxy Tab 3 8.0 Android Development] bdkbaik:
Now, i cannot charge exceed 43%.
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Try, full discharge your device first and then full charge as usual.
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Changelog 16/06/2014, NEXT 1.6:

GCC Linaro 4.9.1-2014.05 toolchain

Nintendo Wii remote support, latest CM version needed
[Galaxy Tab 3 8.0 Android Development] ssjkakaroto:
[MENTION=4021423]ketut.kumajaya[/MENTION] can I use Samsung stock ROM as both primary and secondary with your kernel?

I'm trying, but the secondary ROM always hangs at the Samsung logo.

Thanks
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Should work, don't forget flash mali-400-r3p2-01rel3-repack-t31x.zip on both ROM.
[Galaxy Tab 3 8.0 Android Development] ssjkakaroto:
Yes, I am flashing the mali-400-r3p2-01rel3-repack-t31x.zip file, but it still doesn't work :confused:

I tried with a 4.2.2 ROM (by [MENTION=1667438]arshull[/MENTION]) and a 4.4.2 ROM (by [MENTION=4419154]safariking[/MENTION]) and none of them work as a secondary ROM.

edit: I got it to work with 4.2.2 ROM by ashull by clearing cache/dalvik right after flashing the ROM.
[Galaxy Tab 3 8.0 Android Development] johnso:
I Gott kitkat 4.4.2 Sammy Rom on IT .. dos IT work on that I Gott Phil Kernel on IT
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
I'm not sure. No KitKat update for T311 yet :crying:
[Galaxy Tab 3 8.0 Android Development] erikasnoske:
Would be great to see overclocking.

Could you please suggest me a good reason why I should flash this kernel on unofficial cyanogenmod rom built?

I know I am not smart enough to get the idea why if there is not overclocking :D

thx for the kernel anyway ;)
[Galaxy Tab 3 8.0 Android Development] Android-Andi:
It supports dual-boot :p the best reason :)

OC does not mean it will improve the kernel. If the kernel runs smooth then there is no need for OC.

Ketut released the source , everybody can fork it and change the kernel (e.g. add OC) if he/she like.

Gesendet von meinem GT-I8190 mit Tapatalk
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
And I believe this dual boot solution speedup CM port to this T31x family. If something doesn't work on CM, I can switch to stock immediately for a check. No competition to CM since both CM and this kernel from me, though a little bit tuning in ramdisk here.
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Changelog 11/07/2014, NEXT 1.7:

Samsung OSRC SM-T310 KitKat NF4 kernel source:

Exynos platform update

Battery, regulator, and charger driver update

Touchscreen driver and firmware update

Flip sensor, WiFi, sound, IR LED and camera driver update

Memory and block related tuning

swap, frontswap, and zswap support, etc

LZO compression/decompression update

Recent GCC versions (e.g. GCC-4.7.2) compatibility fix
[Galaxy Tab 3 8.0 Android Development] bozdag:
Does this work on stock 4.4.2?
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Not yet.
[Galaxy Tab 3 8.0 Android Development] :
Nice, so does this allow/fix offline charging for those on the new bootloader using custom ROMs?

Thanks
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Please try and report back :D
[Galaxy Tab 3 8.0 Android Development] cript0n:
Is it posible to install it with Team Win Recovery Project v2.6.0.0 ?? I can install Blackhawk's next kernel 1.6 but can't install mali-400-r3p2-01rel3-blobs-t31x . Always gives me error when I install it and I have to restore because of the Mali problem. Thanks!
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Try mali*repack*.zip .
[Galaxy Tab 3 8.0 Android Development] cript0n:
I just tried repack mali file and I got same error. I don't know why! :confused::confused: I can install Next kernel 1.7 but always found error installing any version of mali file. :(
[Galaxy Tab 3 8.0 Android Development] gr8nole:
Just update your recovery to the latest version.
[Galaxy Tab 3 8.0 Android Development] cript0n:
Thanks!! Finally it works! ;) :good::good::good:
[Galaxy Tab 3 8.0 Android Development] ikhsaricky:
sorry for noob question

already support 4.4.4?

---------- Post added at 05:38 AM ---------- Previous post was at 05:15 AM ----------

already tested on 4.4.4 slimkat (MY T311). thx dev
[Galaxy Tab 3 8.0 Android Development] grandgreed:
Behavior of new kernel. 14% eats for night.
[Galaxy Tab 3 8.0 Android Development] Android-Andi:
[MENTION=2491165]grandgreed[/MENTION] maybe posting a dmdsg meight help

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[Galaxy Tab 3 8.0 Android Development] grandgreed:
Android-Andi, don't needed, problem is gone. Full discharged and charged again. Now all works good and problem with forever sleep is gone too.
[Galaxy Tab 3 8.0 Android Development] new-noob:
Hi OP , any updates re Overclocking ? tab feels slow lattely and hoping to find OC kernel for CM
[Galaxy Tab 3 8.0 Android Development] tetakpatak:
Ketut's kernels are supporting OC since the first releases. Use free app STweaks from Play Store for kernel control.

tetakpatalked from Nexus 7 flo
[Galaxy Tab 3 8.0 Android Development] new-noob:
STweaks shows "sorry, no kernel support" and just installed last release

other app like setcpu all it shows is 1500 so no, no overclocking....
[Galaxy Tab 3 8.0 Android Development] tetakpatak:
Hmm, on Tab 2 with blackhawk kernel OC works in genera, and on all six types. You may be right, mate. I have flashed Tab 3 8" just once and possibly don't remember anymore.

tetakpatalked from Nexus 7 flo
[Galaxy Tab 3 8.0 Android Development] new-noob:
....and the hope for OC is goone now :)
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
as 2nd ROM.
[Galaxy Tab 3 8.0 Android Development] :
Nice, so is the current version (v1.7) working OK on stock ROM or update needed first?
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Update needed, 2.0. Still working on it.

EDIT: As a side note, still using JB bootloader to boot Samsung 4.4.2. No problem so far, still not sure about offline charging. NEXT kernel root method not working, re-root using PhilZ method works. Got a warning from SuperSu to disable KNOX, intrusive KNOX warning stopped.

Manual update modem partition to DDUAMH1, CM GSM/GPRS data still working properly.
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
I'll upload NEXT 2.0 with Samsung KitKat support for T310 and T311 few hours later. I found Samsung KitKat use newer Mali GPU driver, not compatible to our current kernel but a trick always available as usual :)
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Just upload NEXT 2.0 to DevDB Downloads. For stock/stock base ROM: re-download and flash mali-400-r3p2-01rel3-t31x.zip, this is a single zip for both stock 4.2.2 and 4.4.2 and no negative effect if you accidently flash it on CM ;) Both T310 and T311 kernel tested and boot my T311.
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Samsung and Arm has been confusing me! Mali GPU driver from KitKat for T311 has API version 29 and still r3p2-01rel3 but driver from http://malideveloper.arm.com/develo...-source-mali-gpus-linux-kernel-device-drivers r3p2-01rel4 has API version 26 :confused:

Just applied upstream Mali GPU driver from Arm r3p2-01rel3 - r3p2-01rel4 diff output to Samsung source r3p2-01rel3 API version 23, manually change API version to 29! This is a dirty hack for sure but works :laugh:

If KitKat for India is an official update, please help me to ask Samsung to release the kernel source :good: Still not found r3p2-01rel3 API version 29 source anywhere.
[Galaxy Tab 3 8.0 Android Development] gkvidhu1979:
Hi Ketut! I am from India and I have officially updated to Kitkat 4.4.2. Please do let me know, how I can be help to you on this issue?
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
The kernel source is a must for a released device firmware. Please ask it to Samsung http://opensource.samsung.com/reception/receptionSub.do?method=inquiryView
[Galaxy Tab 3 8.0 Android Development] gkvidhu1979:
Registered a query at OSRC and awaiting the release of source by samsung.
[Galaxy Tab 3 8.0 Android Development] Android-Andi:
Maybe like we did to get latetest kernel for the s3 mini:

Contact form:*http://opensource.samsung.com/reception/receptionSub.do?method=inquiryView

Inquiry type: Request for Source Codes

Sample message:

I’d like to request the most recent Linux kernel source code for Samsung Galaxy Tab 3 8.0. Source code already available on Samsung Opensource is very outdated and not up-to-date with Samsung internal source code, which can be proved.

According to GNU GPL license you are obliged to publish any source code you had changed in Linux kernel, and you are violating law by not publishing it.

Please, stop pretending that current kernel is up-to-date and just update it. Community have had enough waiting for you to even answer to our requests.

Thanks in advance!

Send from OnePlus One using Tapatalk

Edit:

http://novafusion.pl/2014/07/21/lets-spam-samsung-osrc-seriously/

Source released after 3 days spamming

http://novafusion.pl/2014/07/22/great-success/
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Is this a normal KitKat benchmark result?
[Galaxy Tab 3 8.0 Android Development] Android-Andi:
Cheater :D

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[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
NEXT 2.1 need mali-400-r3p2-01rel3-api29-t31x.zip on all ROM, not only on stock but CM also. Because there is no KitKat for T315 yet, T315 owner can use NEXT 2.1 for T315 to boot T310 or T311 KitKat ROM without GSM/GPRS data function.
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Samsung has failed to fool me with Mali r3p2-01rel3 API version 29. NEXT still boot KitKat ROM :p
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Damn! KitKat for T315 suddenly appeared http://samsung-updates.com/device/?id=sm-t315 Please upload the boot.img here.
[Galaxy Tab 3 8.0 Android Development] Android-Andi:
I will do

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Edit:

7 hours to download...
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
:laugh: Try from SamMobile http://www.sammobile.com/firmwares/1/?model=SM-T315&pcode=0#firmware
[Galaxy Tab 3 8.0 Android Development] Android-Andi:
Will upload later today, still download not fast, but better speed now :)

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[Galaxy Tab 3 8.0 Android Development] Android-Andi:
Here we go [MENTION=4021423]ketut.kumajaya[/MENTION] :

If you need something else hit me up ;)
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
I did it as quick as possible. Updated NEXT 2.1 for T315 ready for download, KitKat for T315 compatible. Thanks [MENTION=5153662]Android-Andi[/MENTION].
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
For stock ROM, I'll restore auto root feature and add a patcher to fix external sdcard access for user apps on KitKat. No feedback, no complain so far :laugh:
[Galaxy Tab 3 8.0 Android Development] Android-Andi:
[MENTION=4021423]ketut.kumajaya[/MENTION] = one man show :p

If there is no Feedback here you meight wanna help fixing stock next Support for my golden? :)

Internal storage = 0 mb (should show ~3-4 gb)...

Also no luck for stock bcmdhd :(

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[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Ha..ha..ha... :laugh: Let's talk about golden here.

Please compare stock T315 ramdisk root to NEXT 2.1 for T315 res/misc/init.44. Compare fstab.smdk4x12 to fstab.smdk4x12.2 and init.smdk4x12.rc to init.smdk4x12.rc.2. You can use a diff tool, Kompare is my favorite. Kompare will show you how to add dual boot feature to a ramdisk corectly. I hope you will find the source of problem. Check "service sdcard" in init.smdk4x12.rc.2, I mark my changes with "blackhawk".

About bcmdhd, please also check user space WiFi files, configuration files, and firmware. Kompare will help you.

Good luck :good:
[Galaxy Tab 3 8.0 Android Development] gkvidhu1979:
Where is this Next Kernel 2.1 could not figure out from this forum's download section! Thanks.
[Galaxy Tab 3 8.0 Android Development] Android-Andi:
http://xdaforums.com/devdb/project/?id=5210#downloads

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[Galaxy Tab 3 8.0 Android Development] gkvidhu1979:
Is it safe to flash Next Kernel 2.1 on stock 4.4.2 kernel? Earlier on reboots, it used to reflash stock kernel! Whether can I dual boot with stock 4.4.2and CM? Thanks.
[Galaxy Tab 3 8.0 Android Development] ketut.kumajaya:
Yes, read dual boot instruction. Don't forget flash mali-400-r3p2-01rel3-api29-t31x.zip on both ROM.

I restore back auto root feature and add a patcher to fix external sdcard write access for user apps. Just uploaded NEXT 2.2.
[Galaxy Tab 3 8.0 Android Development] gkvidhu1979:
Which recovery to flash? After flashing recovery, stock kernel updates recovery to stock and I am not comfortable with heimdall either!